Database Systems MCQs - Chapter 10
Formal Relational Query Languages Trivia Questions & Answers PDF Download - 16
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The Quiz: A query language constituting a set of operations taking input of one or two relations and generating a relation as result, is known as; "Formal Relational Query Languages" App APK Download with answers: operational query language, structural query language, procedural query language, and object based query language to study online educational courses. Practice Data Storage and Querying Quiz Questions, download Kindle eBook (Free Sample) to study online educational courses.
Formal Relational Query Languages Test Questions and Answers PDF Download: MCQ 16
A query language constituting a set of operations taking input of one or two relations and generating a relation as result, is known as
- Structural query language
- Operational query language
- Procedural query language
- Object based query language
The basic operations of relational algebra includes Select, project, union, set difference, Cartesian product, and
- Rename operation
- Dimensional operations
- OLAP operations
- Cube operation
The Cartesian product of two relations r1 andr2 is represented as
- r1 ^ r2
- r1 ? r2
- r1 & r2
- r1 % r2
A relation can be known as a subset of a Cartesian product of a set of
- Domains
- Models
- Modules
- Processes
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- Kind of constraint which cannot let two entities to have similar values is classified as
- Operation which is used to take union of tuples from relations that are not union compatible is classified as
- Storage capacity of computer system is measured in
- DBMS in which systems involved are coupled together while having local autonomy is classified as
- Cardinality in relational data model is considered as
Formal Relational Query Languages MCQ Book Questions
- A method that uses two independent pieces/processes of information to identify a user is known as
- Address field of a person should not be part of primary key, since it is likely to
- Primary key should be chosen such that its attribute values are
- Basic form for assigning access statement is
- While statements and repeat statements by formatted syntax was supported by